


Offshore Forecast
Issued by NWS
Issued by NWS
784 FZNT33 KWBC 052034 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 434 PM EDT Thu Jun 5 2025 New England continental shelf and slope waters from 25 nm offshore to the Hague Line, except to 1000 fm south of New England. Conditions given represent the highest within that period. Seas given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height. Locally higher winds and seas can be expected in and near tstms. .SYNOPSIS FOR NEW ENGLAND WATERS...Weak low pressure will move E across the Gulf of Maine tonight and Fri. A weak cold front will approach the waters from the N Fri, then stall along the coast late Fri into Fri night as a low pressure system approaches from the S. The low will move NE across the waters late Sat into Sat night. High pressure will build over the region Sun, then shift E of the area Sun night. A warm front will lift N over the area Mon as the associated low center tracks along the southern boundary of the waters. The low will move E of the region Mon night while another warm front approaches the area from the S. The warm front will lift N over the waters Tue as the associated low center tracks NE along the New England coast. The front will move N of the region Tue night as a cold front moves into the Gulf of Maine. Please see https://www.weather.gov/media/notification/pdf_2025/ pns25-33_vobra_discontinuation_2025.pdf (all lower case) for a proposal to discontinue this product. Gulf of Maine to the Hague Line .TONIGHT...S winds 5 to 10 kt, becoming S to SW 5 to 15 kt, then, becoming variable. Seas 3 to 4 ft. Slight chance of tstms. .FRI...NE winds less than 10 kt, becoming variable. Seas 3 to 4 ft. Chance of showers and slight chance of tstms with vsby 1 nm or less. .FRI NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. Areas of fog, showers and tstms with vsby 1 nm or less. .SAT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. Areas of fog with vsby 1 nm or less. .SAT NIGHT...W to NW winds less than 10 kt, becoming N to NW. Seas 4 to 7 ft. .SUN...N winds less than 10 kt, becoming variable. Seas 3 to 6 ft. .SUN NIGHT...S to SE winds 5 to 10 kt, becoming E 5 to 15 kt. Seas 3 to 4 ft. .MON...E winds 15 to 25 kt. Seas 3 to 6 ft. .MON NIGHT...E winds 10 to 20 kt, becoming variable less than 10 kt. Seas 4 to 6 ft. .TUE...Variable winds less than 10 kt, becoming S to SE. Seas 4 to 6 ft. .TUE NIGHT...S winds 5 to 15 kt, becoming SW. Seas 3 to 5 ft. Georges Bank...from the Northeast Channel to the Great South Channel including waters east of Cape Cod...to the Hague Line .TONIGHT...W to SW winds 5 to 15 kt, increasing to 10 to 20 kt, then, diminishing to 5 to 15 kt. Seas 3 to 4 ft. Areas of fog with vsby 1 nm or less. .FRI...SW winds 5 to 15 kt. Seas 3 to 4 ft. Chance of showers and areas of fog with vsby 1 nm or less. .FRI NIGHT...SW winds 5 to 15 kt, becoming S to SE 10 to 20 kt. Seas 3 to 5 ft. Chance of showers and areas of fog with vsby 1 nm or less. .SAT...S to SE winds 15 to 25 kt. Seas 6 to 10 ft. Areas of fog and chance of rain with vsby 1 nm or less. .SAT NIGHT...W winds 5 to 15 kt. Seas 6 to 10 ft. .SUN...N to NE winds less than 10 kt, becoming E to NE. Seas 4 to 6 ft. .SUN NIGHT...E winds 5 to 15 kt. Seas 3 to 4 ft. .MON...E winds 15 to 25 kt. Seas 4 to 6 ft. .MON NIGHT...Variable winds 5 to 15 kt, becoming W to SW. Seas 5 to 7 ft. .TUE...S to SE winds less than 10 kt, becoming S to SW 10 to 20 kt. Seas 5 to 6 ft. .TUE NIGHT...S to SW winds 10 to 20 kt. Seas 4 to 8 ft. South of New England...from the Great South Channel to Hudson Canyon including the waters south of Marthas Vineyard and Nantucket Island...out to 1000 fm .TONIGHT...W to SW winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas 3 to 4 ft. Areas of fog with vsby 1 nm or less. .FRI...SW winds 10 to 15 kt, becoming S to SW 10 to 20 kt. Seas 3 to 4 ft. Areas of fog and slight chance of showers with vsby 1 nm or less. .FRI NIGHT...S winds 10 to 15 kt, becoming S to SE 10 to 20 kt. Seas 3 to 6 ft. Chance of rain with vsby 1 nm or less. .SAT...E to SE winds 10 to 20 kt, becoming W to NW 5 to 15 kt. Seas 4 to 8 ft. Areas of fog with vsby 1 nm or less. .SAT NIGHT...W winds less than 10 kt. Seas 4 to 7 ft. .SUN...E to NE winds 5 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt, becoming 10 to 20 kt. Seas 4 to 5 ft. .MON...E to NE winds 10 to 20 kt, becoming N to NE 5 to 15 kt. Seas 4 to 5 ft. .MON NIGHT...Variable winds less than 10 kt, increasing to 5 to 15 kt. Seas 4 to 6 ft. .TUE...SE winds 5 to 15 kt, becoming S 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...W to SW winds 10 to 20 kt. Seas 4 to 8 ft. .Forecaster Shaw. Ocean Prediction Center.